Dr. Cuddy: I told you to get rid of "death cat."House: Do you see a cat?Dr. Cuddy: I see a litter box.(House grabs his cane)House: This is a disability, Dr. Cuddy. Can't make it to the men's room on time.Dr. Cuddy: You pee on the mice too?House: Well, now you see the mice actually prove that I don't have a cat.Dr. Cuddy: Are these... are these the genetically modified lab mice from oncology?House: Genetically modified for tastiness.